Lennox 56953 – Browning 1VP50X 1-1/8 Variable Pitch Cast Iron Finished Bore Pulley, 4.75" OD, 1-Groove, 1-1/8" Bore
The Lennox 56953 is a premium-quality Browning 1VP50X 1-1/8 variable pitch pulley, specifically designed to deliver precise and adjustable power transmission in HVAC and industrial belt-driven systems. Built from rugged cast iron and featuring a single groove with a finished bore, this pulley offers superior performance, long service life, and ease of use in high-demand applications.
Product Specifications:
- Manufacturer: Browning
- Lennox Part Number: 56953
- Pulley Model: 1VP50X
- Outside Diameter (OD): 4.75 inches
- Bore Diameter: 1-1/8 inch (finished bore – no additional machining required)
- Grooves: Single-groove (1-groove)
- Belt Type Compatibility: A and B section V-belts
- Material: High-strength cast iron
- Design Type: Variable pitch
- Keyway and Set Screw: Pre-machined for secure shaft fitment
Key Features & Benefits:
- Variable Pitch Capability:
Allows fine-tuned control over drive speed and performance by adjusting the effective diameter through belt positioning. Ideal for adjusting blower speeds without changing pulleys or belts. - Finished Bore Design:
Ready to install with no need for reboring or machining. Includes a standard keyway and set screw for secure installation on a 1-1/8" shaft. - High-Durability Construction:
Precision-machined from high-grade cast iron, this pulley is built to withstand demanding operating conditions, high tension, and continuous use in commercial HVAC systems. - Optimized for HVAC Use:
Commonly found in Lennox air handlers, rooftop units, belt-driven blowers, and ventilation systems, providing smooth and reliable power transfer. - Cost-Effective Adjustability:
Eliminates the need to change sheaves or belts when minor RPM changes are needed—simply adjust the belt's position within the pulley groove.
Applications:
- Air handling units
- Belt-driven blowers and fans
- Rooftop HVAC systems
- Compressors and motors
- Custom mechanical systems requiring adjustable output speeds
Why Choose This Pulley?
If your system demands flexibility, long-term reliability, and minimal downtime, the Lennox 56953 variable pitch pulley delivers on all fronts. It offers fast installation, reduced maintenance time, and precise performance tuning—all critical to maximizing system efficiency and minimizing wear on components.
Order your Lennox 56953 pulley today from Beenimax.com—your trusted source for OEM-quality HVAC components, fast order processing, and expert support.